The CH340 chip is used by a number of Arduino compatible boards to provide USB connectivity, you may need to install a driver, don’t panic, it’s easier than falling off a log, and much less painful. …

The CH340G is a USB-to-Serial (UART) converter IC developed by WCH (Nanjing QinHeng Electronics). It is commonly used to enable serial communication between microcontrollers (Arduino, …

In this tutorial, we'll show you how to install CH340 drivers on multiple operating systems if you need. The driver should automatically install on most operating systems. However, there is a wide range of …

For CH340G/T/R chip, Crystal X2, capacitor C6 and C7 are used for clock oscillation circuit. The X2 is 12MHz quartz crystal, C6 and C7 are monolithic or high frequency ceramic capacitors with 22pF. If …

Sep 25, 2025 · CH340 is a series of USB bus adapters, while CH340G is the USB to UART device adapter. If you want to use CH340G on your computer, you’ll need to download and install the …

Oct 14, 2025 · This blog will help users download the CH340G Driver on Windows 11/10 with four different methods that have been tried and tested by us.

CH340G/CH340T/CH340R chips need to work with 12MHz clock signal supplied to XI pin. Generally, clock signal is generated crystal oscillation with inverter in CH340. The peripheral circuit needs to …

This is a third-party translation of WCH’s CH340 Series chipset’s Chinese datasheet, with information regarding CH340G chip extracted. The two other chips sharing the same datasheet, CH340R and …

The CH340G is a USB-to-serial UART interface chip commonly used for converting USB signals to serial UART signals, and vice versa. It is often utilized in microcontroller-based projects, especially …

Free access CH340G datasheet, Package, pinout diagrams, and BOM tools.